diff --git a/curve-tests/src/fields.rs b/curve-tests/src/fields.rs
index 94285ab..c2e1379 100644
--- a/curve-tests/src/fields.rs
+++ b/curve-tests/src/fields.rs
@@ -79,10 +79,10 @@ fn random_inversion_tests<F: Field, R: Rng>(rng: &mut R) {
 
     for _ in 0..ITERATIONS {
         let mut a = F::rand(rng);
-        let b = a.inverse().unwrap(); // probablistically nonzero
-        a *= &b;
-
-        assert_eq!(a, F::one());
+        let b = a.inverse().map(|b| {
+            a *= &b;
+            assert_eq!(a, F::one());
+        });
     }
 }